Folds. of the urachus
[医] 脐尿管褶
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
the
[ðə]
art. 指已提到的人（物）;指说话人与听者已知的人（物）;用于独一无二的事物前;与形容词最高级和序数词连用;
脐尿管
🗣️ 情景例句
I thought you stayed home with Robbie?
我还以为你是跟Robbie待在家里的
Have you milked the cows?
你已经挤过奶了吗？
She had believed in me.
她相信我。